<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title>Insert title here</title>
		<style type="text/css">
		#d1{
			width:100px;
			height:100px;
			border:1px solid red;
			/*padding-top: 30px;
			padding-left: 30px;
			padding-right: 30px;*/
			padding:10px;
		}
		span{
			border:1px solid blue;
			padding-left: 20px;
			padding-right: 20px;
			padding-top: 20px;
			padding-bottom: 50px;
		}
		</style>
	</head>
	<body>
		<div id="d1">今天也很冷</div>
		<span>sapn1</span>
		<div >改革春风吹满地</div>
	</body>
</html>